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b34db73957
The compiler needs to mark register $x0 as live in for the following case.
$x1 = ADDXri $sp, 16, 0
BL @spam, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit killed $x1, implicit-def $sp, implicit-def dead $x0
Reviewed By: paquette
Differential Revision: https://reviews.llvm.org/D95267
52 lines
1.4 KiB
YAML
52 lines
1.4 KiB
YAML
# RUN: llc -mtriple=aarch64 -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s
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# The test checks whether the compiler updates the side effect of function @OUTLINED_FUNCTION_0 by adding the use of register x0.
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--- |
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declare void @spam() local_unnamed_addr
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define void @bax() optsize minsize noredzone { ret void }
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define void @bay() optsize minsize noredzone { ret void }
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define void @baz() optsize minsize noredzone { ret void }
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...
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---
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name: bax
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $x0, $lr
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$x1 = ADDXri $sp, 16, 0
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BL @spam, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit killed $x1, implicit-def $sp, implicit-def dead $x0
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RET_ReallyLR
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...
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---
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name: bay
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $x0, $lr
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$x1 = ADDXri $sp, 16, 0
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BL @spam, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit killed $x1, implicit-def $sp, implicit-def dead $x0
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RET_ReallyLR
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...
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---
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name: baz
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $x0, $lr
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$x1 = ADDXri $sp, 16, 0
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BL @spam, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit killed $x1, implicit-def $sp, implicit-def dead $x0
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RET_ReallyLR
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...
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# CHECK: BL @OUTLINED_FUNCTION_0, {{.*}}, implicit $x0
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